.TH mkfs.exfat 8
.SH NAME
mkfs.exfat \- create an exFAT filesystem
.SH SYNOPSIS
.B mkfs.exfat
[
.B \-b
.I boundary_alignment
] [
.B \-c
.I cluster_size
] [
.B \-f
] [
.B \-h
] [
.B \-L
.I volume_label
] [
.B \-v
]
.I device
.br
.B mkfs.exfat \-V
.SH DESCRIPTION
.B mkfs.exfat
creates an exFAT filesystem by writing on a special
file using the values found in the arguments of the command line.
It is invoked automatically by
.BR mkfs (8)
when it is given the
.B \-t exfat
option.
.PP
As an example, to make a filesystem on the first partition on the first
SCSI disk, use:
.IP
.B mkfs.exfat /dev/sda1
.PP
.SH OPTIONS
.TP
.BI \-b " boundary_alignment"
Specify the alignment for FAT and start of cluster.
Boundary alignment can be specified in m/M for megabytes
and k/K for kilobytes. It should be a power of two.
Some media like sdcard need this.
.TP
.BI \-c " cluster_size"
Specify the cluster size. Cluster size can be specified in m/M for megabytes
and k/K for kilobytes.
.TP
.BI \-f
Performs a full format. This zeros the entire disk device while
creating the exFAT filesystem.
.TP
.BI \-h
Prints the help and exit.
.TP
.BI \-L " volume_label"
Specifies the volume label associated with the exFAT filesystem.
.TP
.BI \-v
Prints verbose debugging information while creating the exFAT filesystem.
.TP
.B \-V
Prints the version number and exits.
.SH SEE ALSO
.BR mkfs (8),
.BR mount (8),
